Here is the full list of all 14 Sakura Succubus 5 achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Let Elizabeth wash your back
Get offered the girls' sweets
Meet Stephania on the balcony
Let Cosmos cheer you up
Attention at the airport
Meet Elizabeth and Stephania
Have a call with Yue
Alarm clock in maid uniform
Take a walk with Hifumi
Let Elizabeth clean up the mess
An unexpected confession
Will Hifumi accept?
Or whatever you might call them
Hifumi - the undefeated Karuta Queen